[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 29 Mar 2008 04:06:47 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 29 Mar, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              250362
          Prefixes after maximum aggregation:                          125916
          Deaggregation factor:                                          1.99
          Unique aggregates announced to Internet:                     121576
      Total ASes present in the Internet Routing Table:                 27752
          Prefixes per ASN:                                              9.02
      Origin-only ASes present in the Internet Routing Table:           24169
      Origin ASes announcing only one prefix:                           11220
      Transit ASes present in the Internet Routing Table:                3583
      Transit-only ASes present in the Internet Routing Table:             76
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN (43380)                               13
      Prefixes from unregistered ASNs in the Routing Table:             25295
          Unregistered ASNs in the Routing Table:                        1915
      Number of 32-bit ASNs allocated by the RIRs:                         47
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            855
      Number of addresses announced to Internet:                   1851948960
          Equivalent to 110 /8s, 98 /16s and 127 /24s
          Percentage of available address space announced:               50.0
          Percentage of allocated address space announced:               61.4
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.0
      Total number of prefixes smaller than registry allocations:      119223
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    42339
          Total APNIC prefixes after maximum aggregation:               13317
          APNIC Deaggregation factor:                                    3.18
      Prefixes being announced from the APNIC address blocks:           54523
          Unique aggregates announced from the APNIC address blocks:    23244
      APNIC Region origin ASes present in the Internet Routing Table:    1909
          APNIC Prefixes per ASN:                                       28.56
      APNIC Region origin ASes announcing only one prefix:                554
      APNIC Region transit ASes present in the Internet Routing Table:    352
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              337576544
          Equivalent to 20 /8s, 31 /16s and 2 /24s
          Percentage of available APNIC address space announced:         77.4
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 114/8, 115/8, 116/8,
                             117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
                             124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
                             218/8, 219/8, 220/8, 221/8, 222/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    106733
          Total ARIN prefixes after maximum aggregation:                58780
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            85545
          Unique aggregates announced from the ARIN address blocks:     33880
      ARIN Region origin ASes present in the Internet Routing Table:    11657
          ARIN Prefixes per ASN:                                         7.34
      ARIN Region origin ASes announcing only one prefix:                4528
      ARIN Region transit ASes present in the Internet Routing Table:    1042
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               360984448
          Equivalent to 21 /8s, 132 /16s and 47 /24s
          Percentage of available ARIN address space announced:          74.2
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959
      ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                              69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                              76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     53206
          Total RIPE prefixes after maximum aggregation:                33043
          RIPE Deaggregation factor:                                     1.61
      Prefixes being announced from the RIPE address blocks:            48775
          Unique aggregates announced from the RIPE address blocks:     32684
      RIPE Region origin ASes present in the Internet Routing Table:    11085
          RIPE Prefixes per ASN:                                         4.40
      RIPE Region origin ASes announcing only one prefix:                5781
      RIPE Region transit ASes present in the Internet Routing Table:    1703
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               350432384
          Equivalent to 20 /8s, 227 /16s and 44 /24s
          Percentage of available RIPE address space announced:          80.3
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   19204
          Total LACNIC prefixes after maximum aggregation:               4812
          LACNIC Deaggregation factor:                                   3.99
      Prefixes being announced from the LACNIC address blocks:          17548
          Unique aggregates announced from the LACNIC address blocks:    9612
      LACNIC Region origin ASes present in the Internet Routing Table:    883
          LACNIC Prefixes per ASN:                                      19.87
      LACNIC Region origin ASes announcing only one prefix:               277
      LACNIC Region transit ASes present in the Internet Routing Table:   154
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        16
      Number of LACNIC addresses announced to Internet:              49885696
          Equivalent to 2 /8s, 249 /16s and 50 /24s
          Percentage of available LACNIC address space announced:        49.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   3584
          Total AfriNIC prefixes after maximum aggregation:              1124
          AfriNIC Deaggregation factor:                                  3.19
      Prefixes being announced from the AfriNIC address blocks:          3987
          Unique aggregates announced from the AfriNIC address blocks:   1808
      AfriNIC Region origin ASes present in the Internet Routing Table:   234
          AfriNIC Prefixes per ASN:                                     17.04
      AfriNIC Region origin ASes announcing only one prefix:               80
      AfriNIC Region transit ASes present in the Internet Routing Table:   45
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             10167552
          Equivalent to 0 /8s, 155 /16s and 37 /24s
          Percentage of available AfriNIC address space announced:       30.3
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1619        387          87   Videsh Sanchar Nigam Ltd. Aut
       9583     1152        140          16   Sify Limited
       9498     1129        550          63   BHARTI BT INTERNET LTD.
      17488     1045         67          83   Hathway IP Over Cable Interne
       4134      859      12487         319   CHINANET-BACKBONE
       4766      850       6005         341   Korea Telecom (KIX)
      18101      673        126          52   Reliance Infocom Ltd Internet
       9829      586        450          12   BSNL National Internet Backbo
       4812      562        969          92   China Telecom (Shanghai)
       1221      542       1950         418   Telstra Pty Ltd
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1427       5927        1009   AT&T WorldNet Services
       2386     1399        658         851   AT&T Data Communications Serv
       4323     1396       1028         368   Time Warner Telecom
      11492     1219        147          23   Cable One 
       7011     1082        315         615   Citizens Utilities 
      18566     1046        296          10   Covad Communications 
       1785     1007        479         107   AppliedTheory Corporation 
       6197      989        728         477   BellSouth Network Solutions, 
        174      966       6834         812   Cogent Communications
      20115      915        859         508   Charter Communications 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      398       1777         362   TDC Tele Danmark
       8452      358        188           7   TEDATA
       3301      341       1459         310   TeliaNet Sweden
       3320      322       7045         267   Deutsche Telekom AG
       8866      293         78          24   Bulgarian Telecommunication C
       5462      292        666          26   Telewest Broadband
       3215      278       2671          91   France Telecom Transpac
       6746      264        127         242   Dynamic Network Technologies,
        680      259       2046         258   DFN-IP service G-WiN
       9155      254         46          11   QualityNet AS number
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1187       2448         222   UniNet S.A. de C.V. 
      11830      555        299           9   Instituto Costarricense de El
       7303      452        220          60   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      11172      410        117          69   Servicios Alestra S.A de C.V 
       6471      396         85          39   ENTEL CHILE S.A. 
      10620      396        104          50   TVCABLE BOGOTA 
      14117      352         25          15   Telefonica del Sur S.A. 
      22047      322        270          14   VTR PUNTO NET S.A. 
      10481      310        152          10   Prima S.A. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      452         60          27   LINKdotNET AS number
       3741      287        869         223   The Internet Solution 
       2018      258        276         112   Tertiary Education Network 
      20858      183         34           3   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      130          9          16   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      33776       99          6           7   Starcomms Nigeria Limited
      24835       89         48           7   RAYA Telecom - Egypt
       2905       83        176          74   The Internetworking Company o
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     1914       3009          94   bellsouth.net, inc. 
      23577     1634         34         699   Korea Telecom (ATM-MPLS)
       4755     1619        387          87   Videsh Sanchar Nigam Ltd. Aut
       7018     1427       5927        1009   AT&T WorldNet Services
       2386     1399        658         851   AT&T Data Communications Serv
       4323     1396       1028         368   Time Warner Telecom
      11492     1219        147          23   Cable One 
       8151     1187       2448         222   UniNet S.A. de C.V. 
       9583     1152        140          16   Sify Limited
       9498     1129        550          63   BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1619        1532      Videsh Sanchar Nigam Ltd. Aut
      11492      1219        1196      Cable One 
       9583      1152        1136      Sify Limited
       9498      1129        1066      BHARTI BT INTERNET LTD.
      18566      1046        1036      Covad Communications 
       4323      1396        1028      Time Warner Telecom
       8151      1187         965      UniNet S.A. de C.V. 
      17488      1045         962      Hathway IP Over Cable Interne
      17676      1018         952      Softbank BB Corp.
      23577      1634         935      Korea Telecom (ATM-MPLS)
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      14780   UNALLOCATED   4.79.181.0/24        10310       Yahoo! 
      12180   UNALLOCATED   4.79.248.0/24         1239       Sprint 
      26478   UNALLOCATED   8.7.228.0/24          6461       AboveNet Communicati
      12180   UNALLOCATED   8.10.16.0/24          3549       Global Crossing 
      12180   UNALLOCATED   8.10.58.0/23          3549       Global Crossing 
      14779   UNALLOCATED   8.12.144.0/24        10310       Yahoo! 
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      22492   UNALLOCATED   12.2.46.0/24          1239       Sprint 
      14984   UNALLOCATED   12.2.192.0/24         7132       SBC Internet Service
      15132   UNALLOCATED   12.9.150.0/24          701       UUNET Technologies, 
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:9       /10:16      /11:41      /12:137     
      /13:277     /14:499     /15:997     /16:9813    /17:4312    /18:7285    
      /19:15269   /20:17525   /21:16771   /22:21294   /23:22327   /24:131495  
      /25:775     /26:894     /27:483     /28:106     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1205          1219      Cable One 
       2386     1099          1399      AT&T Data Communications Serv
      18566     1027          1046      Covad Communications 
       9583      987          1152      Sify Limited
       7011      964          1082      Citizens Utilities 
       4755      962          1619      Videsh Sanchar Nigam Ltd. Aut
       6478      893           894      AT&T Worldnet Services 
      17488      860          1045      Hathway IP Over Cable Interne
      23577      808          1634      Korea Telecom (ATM-MPLS)
       9498      804          1129      BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:102      12:1998     13:1        15:20       16:3      
        17:6        18:13       20:35       24:1046     25:1        32:60     
        33:4        38:407      40:95       41:634      44:2        47:8      
        52:3        55:3        56:3        57:22       58:513      59:423    
        60:423      61:987      62:1087     63:1957     64:3360     65:2370   
        66:3607     67:1092     68:654      69:2110     70:541      71:127    
        72:1540     73:6        74:899      75:221      76:284      77:617    
        78:543      79:111      80:892      81:831      82:607      83:370    
        84:522      85:943      86:388      87:628      88:322      89:1207   
        90:11       91:1126     92:238      93:166      96:19       97:16     
        98:108      99:3       116:582     117:280     118:102     119:380    
       121:465     122:719     123:303     124:834     125:1125    128:325    
       129:198     130:124     131:405     132:69      133:9       134:188    
       135:32      136:222     137:119     138:155     139:65      140:483    
       141:110     142:380     143:279     144:347     145:54      146:338    
       147:133     148:496     149:180     150:121     151:159     152:142    
       153:127     154:11      155:266     156:207     157:254     158:167    
       159:223     160:245     161:110     162:206     163:219     164:572    
       165:433     166:296     167:314     168:594     169:130     170:426    
       171:28      172:3       189:165     190:1582    192:5769    193:4089   
       194:3259    195:2379    196:1075    198:3761    199:3235    200:5519   
       201:1322    202:7543    203:7774    204:3986    205:2111    206:2413   
       207:2721    208:3223    209:3472    210:2525    211:1033    212:1326   
       213:1610    214:453     215:48      216:4278    217:1197    218:349    
       219:404     220:1062    221:402     222:312    
      
      End of report